268378356 has 24 divisors (see below), whose sum is σ = 627278400. Its totient is φ = 89307712.

The previous prime is 268378321. The next prime is 268378361. The reversal of 268378356 is 653873862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11481 + ... + 25856.

It is an arithmetic number, because the mean of its divisors is an integer number (26136600).

Almost surely, 2^268378356 is an apocalyptic number.

It is an amenable number.

268378356 is an abundant number, since it is smaller than the sum of its proper divisors (358900044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268378356 is a wasteful number, since it uses less digits than its factorization.

268378356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37943 (or 37941 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 268378356 is about 16382.2573536128. The cubic root of 268378356 is about 645.0338351339.

The spelling of 268378356 in words is "two hundred sixty-eight million, three hundred seventy-eight thousand, three hundred fifty-six".